Incubator



(No Model.) 2 Sheets-Sheet 1.

E. HARRISON.

INGUBATOR.

No. 473,664. Patented Apr. 26, 18921.

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(No Model.) ZShGetS-Sheet E. HARRISON.

' INGUBATOR.

No. 473,664. Padzented Apr. 26, 1892.

UNITED STATES PATENT OEEICE.

EDMUND HARRISON, OF TULARE, CALIFORNIA.

INCUBATOR.l

SPECIFICATION forming part of Letters Patent N o. 473,664, dated April 26, 1892.

Application filed September 26, 1891- Serial No. 406,940. (No model.)

To all whom t may concern:

Beit known that I, EDMUND l-IAErIsoN, a citizen of the United States, residing at Tulare, Tulare county, State of California, have invented an Improvement in Incubators and Brooders; and I hereby declare the following to be a full, clear, and exact description of the same.

My invention relates to certain improvements in ineubators and brooders.

It consists in certain details of construction, which Will be more fully explained by reference to the accompanying drawings, in which- Figure l is ahorizontal section of the apparatus. Fig. 2 is a transverse vertical section. Fig. 3 is a longitudinal vertical section taken at right angles with Fig. 2.

A is an exterior case of any suitable or desired size for the apparatus. This case is made with double walls, and the space between these Walls and top is lled with sawdust or other non-conducting material.

B is adoor through which access is obtained to the interior of the apparatus, the door being made, also, with double Walls and a beveled casing with packing to make a tight joint.

C O are water tanks or chambers of metal, a6 apted to it within the Walls of the case A upon each side, so as to extend from one end to the other and from top to bottom within the sides, as shown. At the bottom each of these chambers is continued, so as to make a shallow space C in each. These extensions meet in the center and thus form a bottom, which is continuous with the sides, and the chambers may be easily removed whenever desired for cleaning or other purposes. Upon the inner vertical sides of the chamber C are fixed cleats or supports D,and upon these supports the trays E are adapted to slide in and ont through the door B Whenever it is open. A little space is left' on each side between the trays and the tanks above the cleats for the circulation of air. These trays are fitted to contain the eggs which are to be hatched. In the bottom of this innerchamber, resting upon the extension C', is a Water-pan F, the evaporation from which maintains the atmosphere Within the incubator in a proper state of Suitable openings G are made moisture.

through the sides and top of the apparatus for the purpose of ventilation.

H is a heater of any suitable shape or description, preferably cylindrical, to which the heat of a lamp of any kind may be applied, so that when filled with water the temperature of the contained Water may be raised to any desired degree. 'y

l is a pipe leading from the boiler and connecting with the branches J, one of which leads to the top of each of the chambers C.

K K are pipes leading from the bottom of the heaterH to the bottom of the chambers C.

L is a valve or cock by which the supply of taining heat for along time I have found that when the temperature is once raised to the proper degree in the large chambers O O it will remain at approximately that degree for ten or twelve hours, and I am thus enabled to leave the apparatus entirely unattended for a long deriod after having once raised the temperature to the proper degree and extinguished the lamp. Vhen the temperature has fallen a few degrees, it is only necessary to open the cock L and light thelamp and let it burn for a short time until the temperature of the water is again raised to the proper degree. The bottom of the case A is made of only a single thickness' of board, and the extensions O of the chambers O, resting upon this bottom, produce a sufcient heat to be conveyed through the bottom of A, and thus heat the space beneath, the thickness of the Wood reducing the temperature somewhat and also making an even heat in this space. The sides of the case A are extended down ward to inclose the space beneath the case, and within this are placed drawers M, con- IOO taining sand and having in theupper part wool or other suitable material to serve as brooders t'or the young chickens, which are placed in these compartments or drawers atter they have been hatched. By reason of the continuous interior walls of the chambers C the heat is reected or thrown out very evenly to the interior space containing the incubating shelves or boxes E. I have found this construction very superior to any use of pipes, overhead heaters, or direct heat applied to the water-chambers within the incubator itself. i

Having thus described my invention, whatI claim as new, and desire to secure by Letters Patent, is-

l. In an incubator, the exterior case having the double walls andaside door, each adapted to contain an intermediate lling of non-conducting material, the metallic water-chain-r bers C, extending along the inner sides of the casing and having the shallow continuations` extending horizontally inward from the bottom and meeting in the center of the case, a heater exterior to the case, su pply-pipes I J J, with a cock L, and the return-pipes K, sub-V stantially as herein described. y

2. In an incubator, the exterior case with double walls, top, and door, each adapted to contain an intermediate filling of non-conducting material, separate water chambers extending along the sides and having the horizontal L-shaped extensions meeting in the center of the box and forming abottom of the` interior chamber, an exterior water-heater having the pipes I .I J, connecting its top with the upper part ot' the chambers C, and the pipes K K, connecting the lower part with the bottom of said chambers, cleats or supports ixed upon theinner vertical side of the chambers C, sliding trays E, supported upon said cleats and adapted to contain eggs, and ventilating-openings G, made in the walls and top of the exterior case, substantially as herein described..

3. In an incubator, the exterior case having its double walls, top, and door adapted to contain an intermediate non-conducting filling, and a single bottom, the independent Waterchambers C, extending along the sides of the chamber, with cleats upon their inner faces, said chambers having shallow L-shaped extensions at the bottom of the chambers meeting in the center and covering the tloor of the case, egg-trays adapted to slide upon said cleats, and compartments formed below the iioor of the case and deriving heat through it from the shallow extensions ofthe interior chambers, said compartments adapted to contain brooding devices, and means for supplying heat to the water-chambers C, substan- EDMUND HARRISON.

hand.

Witnesses:

S. I-I. NoURsE, H. F. AscHnoK. 

